The two military exercises were similar they were both intended to give a threat to a cer

问题补充：

The two military exercises were similar they were both intended to give a threat to a certain country.

A. to what

B. for which

C. in that

D. except that

答案：

A. to what

B. for which

(答案→)C. in that

D. except that

解析：考查连词短语。in that 在于，因为。句意：这两次军事演练是相似的，因为他们都是为了威胁某个国家。